<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Util;

use PHPUnit\Framework\TestCase;

/**
 * @internal This class is not covered by the backward compatibility promise for PHPUnit
 *
 * @codeCoverageIgnore
 */
final class Warning
{
    public function createForTestCaseObjectOnCallStack(string $warning): void
    {
        foreach (debug_backtrace() as $step) {
            if (isset($step['object']) && $step['object'] instanceof TestCase) {
                assert($step['object'] instanceof TestCase);

                $step['object']->addWarning($warning);

                break;
            }
        }
    }
}
